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要查询雇员表中部门号为空值得记录: SELCET * FROM 雇员 WHERE
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【简答题】B. Each of the following sentences contains ONE mistake. Find it out and correct it. 1. Henry mustn't be at home because he phoned me from the farm just now. ( ) 2. Jack is a bilingual person. ...
【简答题】自动空调系统中电子式温度控制器的感温元件是热敏电阻，装在（）的外侧面或其他可感温的位置。
【简答题】Grammer Exercise 2 (改错题) B. Each of the following sentences contains ONE mistake. Find it out and correct it. 1. Henry mustn' t be at home because he phoned me from the farm just now. 2. Jack is a bil...
【简答题】改错题,每题有一个错误,例:can改成can't。 1 Henry mustn’t be at home because he phoned me from the farm just now. 2. Jack is a bilingual person. He may speak English and Japanese. 3. Mary can know the answer to the q...
【简答题】家用电冰箱通常所用的电子式温度控制器大多采用（）作为感温元件。
【简答题】自动空调系统中电子式温度控制器的感温元件是热敏电阻，用以检测（）的出风温度。
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